Humidifier



FIG. 1 is a front isometric view of the humidifier.

FIG. 2 is a rear isometric view of the humidifier.

FIG. 3 is a front view of the humidifier.

FIG. 4 is a rear view of the humidifier.

FIG. 5 is a side view of the humidifier.

FIG. 6 is an opposite side view of the humidifier.

FIG. 7 is a top view of the humidifier; and,

FIG. 8 is a bottom view of the humidifier.

The broken lines shown in the drawings are for the purpose of illustrating portions of the article that form no part of the claim design. 

CLAIM The ornamental design for a humidifier, as shown and described. 